diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/perfmon/nv40.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/perfmon/nv40.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/perfmon/nv40.c b/drivers/gpu/drm/nouveau/core/engine/perfmon/nv40.c new file mode 100644 index 000000000000..b2a10785adb1 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/engine/perfmon/nv40.c @@ -0,0 +1,143 @@ +/* + * Copyright 2013 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include "nv40.h" + +/******************************************************************************* + * Perfmon object classes + ******************************************************************************/ + +/******************************************************************************* + * PPM context + ******************************************************************************/ + +/******************************************************************************* + * PPM engine/subdev functions + ******************************************************************************/ + +static void +nv40_perfctr_init(struct nouveau_perfmon *ppm, struct nouveau_perfdom *dom, + struct nouveau_perfctr *ctr) +{ + struct nv40_perfmon_priv *priv = (void *)ppm; + struct nv40_perfmon_cntr *cntr = (void *)ctr; + u32 log = ctr->logic_op; + u32 src = 0x00000000; + int i; + + for (i = 0; i < 4 && ctr->signal[i]; i++) + src |= (ctr->signal[i] - dom->signal) << (i * 8); + + nv_wr32(priv, 0x00a7c0 + dom->addr, 0x00000001); + nv_wr32(priv, 0x00a400 + dom->addr + (cntr->base.slot * 0x40), src); + nv_wr32(priv, 0x00a420 + dom->addr + (cntr->base.slot * 0x40), log); +} + +static void +nv40_perfctr_read(struct nouveau_perfmon *ppm, struct nouveau_perfdom *dom, + struct nouveau_perfctr *ctr) +{ + struct nv40_perfmon_priv *priv = (void *)ppm; + struct nv40_perfmon_cntr *cntr = (void *)ctr; + + switch (cntr->base.slot) { + case 0: cntr->base.ctr = nv_rd32(priv, 0x00a700 + dom->addr); break; + case 1: cntr->base.ctr = nv_rd32(priv, 0x00a6c0 + dom->addr); break; + case 2: cntr->base.ctr = nv_rd32(priv, 0x00a680 + dom->addr); break; + case 3: cntr->base.ctr = nv_rd32(priv, 0x00a740 + dom->addr); break; + } + cntr->base.clk = nv_rd32(priv, 0x00a600 + dom->addr); +} + +static void +nv40_perfctr_next(struct nouveau_perfmon *ppm, struct nouveau_perfdom *dom) +{ + struct nv40_perfmon_priv *priv = (void *)ppm; + if (priv->sequence != ppm->sequence) { + nv_wr32(priv, 0x400084, 0x00000020); + priv->sequence = ppm->sequence; + } +} + +const struct nouveau_funcdom +nv40_perfctr_func = { + .init = nv40_perfctr_init, + .read = nv40_perfctr_read, + .next = nv40_perfctr_next, +}; + +static const struct nouveau_specdom +nv40_perfmon[] = { + { 0x20, (const struct nouveau_specsig[]) { + {} + }, &nv40_perfctr_func }, + { 0x20, (const struct nouveau_specsig[]) { + {} + }, &nv40_perfctr_func }, + { 0x20, (const struct nouveau_specsig[]) { + {} + }, &nv40_perfctr_func }, + { 0x20, (const struct nouveau_specsig[]) { + {} + }, &nv40_perfctr_func }, + { 0x20, (const struct nouveau_specsig[]) { + {} + }, &nv40_perfctr_func }, + {} +}; + +int +nv40_perfmon_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nv40_perfmon_oclass *mclass = (void *)oclass; + struct nv40_perfmon_priv *priv; + int ret; + + ret = nouveau_perfmon_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + ret = nouveau_perfdom_new(&priv->base, "pm", 0, 0, 0, 4, mclass->doms); + if (ret) + return ret; + + nv_engine(priv)->cclass = &nouveau_perfmon_cclass; + nv_engine(priv)->sclass = nouveau_perfmon_sclass; + return 0; +} + +struct nouveau_oclass * +nv40_perfmon_oclass = &(struct nv40_perfmon_oclass) { + .base.handle = NV_ENGINE(PERFMON, 0x40), + .base.ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv40_perfmon_ctor, + .dtor = _nouveau_perfmon_dtor, + .init = _nouveau_perfmon_init, + .fini = _nouveau_perfmon_fini, + }, + .doms = nv40_perfmon, +}.base; |